—These books are too heavy for me to carry. —______.
—How do you find your trip to Hainan?—Lots of sunshine,wonderful food,and amazing nightlife—________a great vacation.
What mobile phones will look like in a year or two is easy to guess—they will be slimmer and probably will let you watch television________.
It remains to be seen whether the plan which has been approved can be ________.It depends on your determination.
Which do you enjoy ________your weekend,swimming or fishing.
—Nowadays a growing number of people go to work by bike.—Bicycling is good exercise;________it doesn't pollute the air.